that is exactly what i did and it worked like a charm.

> On Nov 23, 2020, at 10:25 AM, Matthew Woehlke <mwoehlke.fl...@gmail.com> 
> wrote:
> 
> On 05/11/2020 12.24, Jérôme Godbout wrote:
>> Maybe you can add an event filter and remove some of the events if
>> they are happening too close to each others. But I thing doing that
>> logic into the event handler is a betetr idea, where you can either
>> cumulate and delay execution of the behavior.
> This. Separate your logic that decides an update is needed from the logic 
> that actually does the update, and have the former *queue* (if not already 
> queued) an event to do the latter.
> 
> I've used this technique on quite some occasions and IIUC Qt uses it 
> internally when repainting widgets (n.b. QWidget::update).
> 
> If possible, also move some of that slow logic to a different thread...
> 
> -- 
> Matthew

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